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Archive original 单片机 course files
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#include<reg51.h>
#include<intrins.h>
sbit LED1 = P2^0;
sbit LED2 = P2^1;
sbit LED3 = P2^2;
sbit LED4 = P2^3;
sbit LED5 = P2^4;
sbit LED6 = P2^5;
sbit LED7 = P2^6;
sbit LED8 = P2^7;
unsigned char x;
void time1() interrupt 0 {
if (P2 != 0xFF) {
P2 = (P2 << 1) | 0x01;
} else {
P2 = 0xFE;
}
//x = 0xFE;
//x = _crol_(x,1);
//P1 = x;
}
void main(){
IE = 0X85;
IT0 = 1;
P2 = 0xFE;
while(1);
}